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Issue 41, 2015
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Cobalt(ii) amido complexes derived from a monodentate arylamido ligand featuring a highly electron-withdrawing C6F5 substituent

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Abstract

A series of cobalt(II) complexes of a highly electron-withdrawing amido ligand, [N(C6F5)(C6H3Pri2-2,6)] (L), were synthesized and structurally characterized. Mononuclear [CoL(Cl)(TMEDA)] (3) and heterobimetallic [CoL2(μ-Cl)Li(THF)3] (4) were obtained by direct metathetical reactions of anhydrous CoCl2 with one molar equivalent of [LiL(TMEDA)] (1) (TMEDA = Me2NCH2CH2NMe2) and [LiL(THF)3] (2), respectively. Complex 3 underwent facile ligand substitution reactions with LiMe and NaN3, yielding the corresponding mixed-ligand complexes [CoL(X)(TMEDA)] (X = Me 5, N36). Treatment of 3 with NaOMe led to the heterobimetallic complex [CoL2(μ-OMe)Na(TMEDA)] (7). The solid-state structures of complexes 1–7 were established by X-ray diffraction analysis.

Graphical abstract: Cobalt(ii) amido complexes derived from a monodentate arylamido ligand featuring a highly electron-withdrawing C6F5 substituent

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Article information


Submitted
24 Feb 2015
Accepted
18 Sep 2015
First published
18 Sep 2015

Dalton Trans., 2015,44, 17950-17959
Article type
Paper
Author version available

Cobalt(II) amido complexes derived from a monodentate arylamido ligand featuring a highly electron-withdrawing C6F5 substituent

S. Yao, D. Y. S. Tam, P. S. Cheung, C. Lam, P. Guo, S. L. Lam and H. K. Lee, Dalton Trans., 2015, 44, 17950
DOI: 10.1039/C5DT00796H

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